WIKA #52962443 BIMETAL THERMOMETER. 0 TO 200 � C 4 "VAST10 Type: Bimetallic-High pressure gauges with stainless steel housing Visor Diameter: 100mm or 4 in. Bimetal thermometer, Process-Industry-Series Specifications according to data sheet: TM 55.01 Case: stainless steel Stem Material: stainless steel Model: S 5550, nominal size 100, adjustable stem and dial Accuracy Class: class 1 per EN 13190 Design of Connection: 4, compression fitting, sliding on stem Unit: �C Scale Range: 0 �C ... 200 �C Process Connection: 1/2" NPT Stem Diameter: 6 mm Stem Length: 254 mm